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Arnold City, Pennsylvania

Community in Fayette County, Pennsylvania

Air quality

The air at Arnold City

Index 53, moderate, led by fine particles. Read at 2 AM from its reporting area, Mon Valley Area (PA), 14 miles off.

53Moderate
  • Fine particles (PM2.5)53Moderate4.8 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 29, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Arnold City

0.01 in in the last 24 hours, 0.04 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.04in

Visibility

How far you can see at Arnold City, the next 42 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 7 PM.

FriSat

On the radar over Arnold City, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Arnold City, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now4 instruments

measured daily2 instruments

Belle Vernon 1.0 EPA-FY-30

In a volunteer observer's own ground/1.4 mi away/952 ft/29 ft above here

precip, snowfall, snow depth

Rank-

DonoraDRAP1

At a cooperative observer's station/3.9 mi away/771 ft/152 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Connellsville, drawn

The nearest airport reporting now, 14.2 mi from Arnold City, Pennsylvania. From its report of Oct 16, 2026, 2:55 AM local time: 3 of its 6 sheets.

The sky

Scattered at 4,600 ft, overcast at 5,500 ft; the ceiling is 5,500 ft; visibility 10 mi or more.

Section of the sky over Connellsville, height above the station to scale: scattered cloud with its base at 4,600 feet, overcast cloud with its base at 5,500 feet, the ceiling at 5,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VVSFIG. A THE SKY OVER CONNELLSVILLESECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,500 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 4,600 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 5,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEConnellsville, the skySTATION REPORT · ASOS VVSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-VVS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

72.7 F with a dew point of 69.0 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 4,600 ft.

Chart of the air at Connellsville: temperature 72.7 degrees Fahrenheit and dew point 69.0, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 4,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VVSFIG. B THE AIR AT CONNELLSVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 68.1 FLOWEST CLOUD REPORTED, SCT 4,600 FTTEMPERATURE 72.7 FDEW POINT 69.0 FSPREAD 3.7 FRELATIVE HUMIDITY 88 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEConnellsville, the airSTATION REPORT · ASOS VVSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-VVS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 12 mph, gusting 20 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at Connellsville, north up: blowing from 220 degrees, the southwest, at 12 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VVSFIG. C THE WIND AT CONNELLSVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEConnellsville, the windSTATION REPORT · ASOS VVSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-VVS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Connellsville, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Pennsylvania

24 places, each with its own forecast and its own instruments.

Near Arnold City

The nearest places, each with its own forecast and the instruments nearest it.

Near Arnold City

River and lake gauges